[Machine Translation] The three sisters' (brothers and sisters) music unit "Optimisin", which has become "new" and "deepened" along with the "change" of the music, presents a fusion of warmth and sadness, music that will be close to you. The music unit " OPTi MISHIN " presents you the music which is a fusion of warmth and sadness. OPTi MISHIN" is a music unit consisting of three sisters and brothers (today's siblings). The exquisite harmony of the three overlapping voices, the familiar yet innovative chorus work, and the warm tone of the violin overwhelm the listener. The music, with its themes of love, bonds, and family, and its sadness and warmth, attracts people of all ages. 2016 Japan Record Awards Planning Award Winner, participation in the children's song collection "Agan-kun," produced by Kazuki Matsumoto and Shozo Ise. He will hold a solo live performance at Sangenjaya Grapefruit Moon on April 29, 2018 to commemorate the release of his new album.